Vulnerability in GitLab
CVE-2023-6688
An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.11 prior to 16.11.2. A problem with the processing logic for Google Chat Messages integration may lead to a regular expression DoS attack on the server.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (53.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.000
Affected products
- GitLab — versions 16.11
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/434854 (issue-tracking, permissions-required, Broken Link)
- hackerone.com/reports/2270362 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2023-6688?
- CVE-2023-6688 is a medium-severity vulnerability in GitLab, classified under Inefficient Regular Expression Complexity. CVSS score: 6.5/10. Published 2024-05-14.
- How severe is CVE-2023-6688?
- Medium severity. CVSS v3 base score is 6.5 out of 10.